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In the United Kingdom, of 7.5 million people using TV subtitles (closed captioning), 6 million have no hearing impairment. [22] Closed captions are also used in public environments, such as bars and restaurants, where patrons may not be able to hear over the background noise, or where multiple televisions are displaying different programs.
The "CC in a TV" symbol Jack Foley created, while senior graphic designer at Boston public broadcaster WGBH that invented captioning for television, is public domain so that anyone who captions TV programs can use it. Closed captioning is the American term for closed subtitles specifically intended for people who are deaf or hard-of-hearing.
The National Captioning Institute, Inc. (NCI) is a 501 (c) (3) nonprofit organization [3] that provides real-time and off-line closed captioning, subtitling and translation, described video, web captioning, and Spanish captioning for television and films. Created in 1979 [5] and headquartered in Chantilly, Virginia, the organization was the ...
CTA -708 (formerly EIA-708 and CEA-708) is the standard for closed captioning for ATSC digital television (DTV) viewing in the United States and Canada. It was developed by the Consumer Electronics sector of the Electronic Industries Alliance, which became Consumer Technology Association . Unlike Run-length encoding DVB and DVD subtitles, CTA ...
EIA-608, also known as "line 21 captions" and "CEA-608", [ 1] was once the standard for closed captioning for NTSC TV broadcasts in the United States, Canada and Mexico. It was developed by the Electronic Industries Alliance and required by law to be implemented in most television receivers made in the United States.
Teletext (or "broadcast teletext") is a television information retrieval service developed in the United Kingdom in the early 1970s. It offers a range of text-based information, typically including national, international and sporting news, weather and TV schedules. Subtitle (or closed captioning) information is also transmitted in the teletext ...
Teletext was created in the United Kingdom in the early 1970s by John Adams, Philips' lead designer for video display units to provide closed captioning to television shows for the hearing impaired. [6] Public teletext information services were introduced by major broadcasters in the UK, [7] starting with the BBC's Ceefax service in 1974. [8]
Example of audio description with Steamboat Willie. Audio description, (AD) also referred to as a video description, described video, or more precisely visual description, is a form of narration used to provide information surrounding key visual elements in a media work (such as a film or television program, or theatrical performance) for the benefit of blind and visually impaired consumers.